7155234 has 24 divisors (see below), whose sum is σ = 16004352. Its totient is φ = 2307960.

The previous prime is 7155217. The next prime is 7155271. The reversal of 7155234 is 4325517.

7155234 = 202² + 203² + ... + 309².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7155198 and 7155207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5854 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (666848).

Almost surely, 2^7155234 is an apocalyptic number.

7155234 is an abundant number, since it is smaller than the sum of its proper divisors (8849118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7155234 is a wasteful number, since it uses less digits than its factorization.

7155234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862 (or 12859 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 7155234 is about 2674.9269148895. The cubic root of 7155234 is about 192.6968492895.

The spelling of 7155234 in words is "seven million, one hundred fifty-five thousand, two hundred thirty-four".